<template>
    <div class="login">
      <el-form ref="form" :model="form" class="container" :rules="rules">
        <el-form-item>
          <div class="avatar">
            <img src="../assets/avatar.jpg" alt="">
          </div>
        </el-form-item>
        <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="账号" prefix-icon="myicon myicon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" placeholder="密码" prefix-icon="myicon myicon-key" type="password" @keydown.native.enter="loginSubmit"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" class="login-btn" @click="loginSubmit">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
</template>
           
<script>
import {checkUser} from '@/api/index.js'
export default{
  data () {
    return {
      form:{
        username:'',
        password:''
      },
      rules:{
        username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
          ],
        password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
          ],
      }
    }
  },
  methods:{
    loginSubmit(formName){
      this.$refs.form.validate(valide => {
        
        // 只有校验通过才执行函数
        if(valide){
          checkUser(this.form).then(res=>{
            // 如果成功则跳转到首页，并将token保存到localStorage，将username保存到vuex的state中
            if(res.meta.status == 200){
              localStorage.setItem('mytoken',res.data.token)
              this.$store.commit('setusername',res.data.username)
              this.$router.push({name:'Home'})
            }else {
              this.$message({
                type:'error',
                message:res.meta.msg
              })
            }
          })
        }else {
            console.log('校验不通过');
        }
      })
    }
  }         
}
</script>
<style lang="scss" scoped>
  .login {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;

  .container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
</style>